package com.henry.framework.util;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStream;
import java.util.Properties;

/**
 * Created by 峥桂 on 2017/5/6.
 */
public class PropsUtil {

    private static final Logger LOGGER= LoggerFactory.getLogger(PropsUtil.class);

    public  static Properties loadProps(String fileName){
        Properties props=null;
        InputStream is=null;
        try {
            is=Thread.currentThread().getContextClassLoader().getResourceAsStream(fileName);
            if(is==null){
                throw new FileNotFoundException(fileName +" file is not found");
            }
            props=new Properties();
            props.load(is);
        }catch (IOException e){
            LOGGER.error("load properties file failure",e);
        }finally {
            if(is!=null){
                try {
                    is.close();
                } catch (IOException e) {
                    LOGGER.error("close input stream failure",e);
                }
            }
        }

        return props;
    }

    public static String getString(Properties props,String key){
        return getString(props,key,"");

    }

    public static String getString(Properties props, String key, String defaultValue) {
        String value=defaultValue;
        if(props.containsKey(key)){
            value=props.getProperty(key);
        }
        return value;
    }
    public static int getInt(Properties props,String key){
        return getInt(props,key,0);

    }

    public static int getInt(Properties props, String key, int defaultValue) {
        int value=defaultValue;
        if(props.containsKey(key)){
            value=Integer.parseInt(props.getProperty(key));
        }
        return value;
    }

    public static boolean getBoolean(Properties props,String key){
        return getBoolean(props,key,false);

    }

    public static boolean getBoolean(Properties props, String key, boolean defaultValue) {
        boolean value=defaultValue;
        if(props.containsKey(key)){
            value=Boolean.parseBoolean(props.getProperty(key));
        }
        return value;
    }
}
